Extrahepatic bile duct sarcoma is a malignant soft tissue neoplasm that arises from the bile ducts located outside the liver. This condition can inclu...

Extrahepatic bile duct signet ring cell carcinoma is a type of adenocarcinoma that arises from the bile ducts located outside the liver. This conditio...

Extrahepatic bile duct small cell adenocarcinoma is an aggressive, high‐grade carcinoma that arises from the bile ducts outside the liver. It is chara...

Extrahepatic bile duct squamous cell carcinoma is a malignancy that arises from the extrahepatic bile ducts, characterized by the presence of malignan...

Extrahepatic biliary atresia is a condition that affects infants, characterized by a progressive obliteration or discontinuity of the extrahepatic bil...

Extralobar congenital pulmonary sequestration is a congenital malformation of lung tissue characterized by an isolated lobe that is separate from the...

Extramammary Paget disease is a malignant skin neoplasm characterized by the presence of large, pale cells known as Paget cells that infiltrate the ep...

Extramedullary conus spinal cord lipoma is a rare closed lipomatous, dysraphic malformation affecting the lower spinal cord. It is characterized by an...

Extramedullary plasmacytoma is a plasma cell neoplasm that develops outside of the bone marrow, most commonly affecting regions in the head and neck s...

Extramedullary soft tissue plasmacytoma is a condition characterized by an abnormal, localized proliferation of plasma cells in soft tissues outside o...

Extraneural perineurioma is a rare tumor arising from the peripheral nerve sheath that most commonly occurs in the dermis and subcutis of the extremit...

Extranodal nasal NK/T cell lymphoma is a malignant neoplasm that primarily arises in the nasal cavity, paranasal sinuses, or upper airway, and is most...

Extraosseous osteosarcoma is a rare form of osteosarcoma that arises from soft tissues rather than bone. Currently, no specific genes have been identi...

Extrapulmonary tuberculosis is a form of tuberculosis that occurs outside of the lungs, affecting various body sites. While the genetic basis and inhe...

Extraskeletal Ewing sarcoma is a rare malignant neoplasm primarily affecting soft tissues, often seen in children and young adults. It most commonly a...

Extrasystoles-short stature-hyperpigmentation-microcephaly syndrome is a rare genetic malformation syndrome first described in 1975 and characterized...

Extraventricular neurocytoma is a rare neuronal tumor that occurs outside the ventricular system, most commonly within the cerebral hemispheres or spi...